*{
    margin: 0;
    padding: 0;
    transition: all 0.3s,font 0s;
    user-select: none;
    color: #313131;
}
.btn{
    border: 1px solid #313131;
    background-color: #f2f2f2;
    color: #313131;
    width: 50px;
    height: 25px;
    font-size: 15px;
    font-weight: bold;
}
.btn:hover{
    background-color: #313131;
    color: #f2f2f2;
}
body{
    background-color: #f2f2f2;
    display: flex;
}
a{
    text-decoration: none;
    color: #313131;
}
div{
    background-color: #f2f2f2;
    border: 2px solid #313131;
}
.tips{
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 0;
    background-color: #313131c2;
    z-index: 100;
}
.tips .tipsDiv{
    position: absolute;
    width: 600px;
    height: 300px;
    border-radius: 10px;
}
.tips .tipsDiv p{
    margin: 10px;
    font-size: 30px;
    font-weight: bold;
}
.tips .tipsDiv span{
    margin: 50px;
    font-size: 20px;
}
.tipsBtn{
    position: absolute;
    bottom: 10px;
    right: 10px;
    font-size: 20px;
    height: 40px;
    width: 80px;
}
.labelBar{
    flex-shrink: 0;
    margin-top: 5px;
    margin-left: 5px;
    background-color: #f2f2f2;
    font-size: 20px;
    font-weight: bold;
    border-radius: 5px;
    height: 98vh;
    width: 100px;
    max-width: 100px;

}
.labelBar:hover{
    box-shadow: 1px 1px 5px #313131;
}
.labelBar ul{
    list-style: none;
}
.labelBar ul li{
    font-size: 20px;
    font-weight: bold;
    text-align: center;
}
.labelBar ul li a{
    display: flex;
    padding: 10px 30px;
    color: #313131;
}
.labelBar ul li a:hover{
    background-color: #313131;
    color: #f2f2f2;
}
.square{
    position: absolute;
    height: 15px;
    width: 15px;
    rotate: 45deg;
    left: 117px;
    border-right: 2px solid #31313100;
    border-top: 2px solid #31313100;
    top: 90px;
}
.page{
    margin-left: 15px;
    margin-top: 5px;
    border-radius: 5px;
    width: 90vw;
    padding: 10px 20px;
}
.page .welcome{
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 400px;
    height: 150px;
    font-size: 40px;
    font-weight: bold;
    border: 4px solid #313131;
    border-radius: 10px;
    margin: 10px 20px;
}
.page .sum{
    position: relative;
    width: 400px;
    height: 150px;
    font-size: 18px;
    border: 4px solid #313131;
    border-radius: 10px;
    margin: 10px 20px;
    overflow: hidden;
}
.page .sum .online{
    position: relative;
    top: 10px;
    left: 10px;
    font-size: 20px;
}
.page div{
    border: 0;
}
.EditTh div{
    border: 2px solid #313131;
    color: #313131;
    width: 150px;
    font-size: 18px;
    height: 25px;
    overflow: hidden;
}
.EditTh div span{
    position: relative;
    top: 0;
}
.EditTh div:hover span{
    top: -25px;
}
.EditTd td div{
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
}
.minImg{
    position: relative;
    width: 25px;
    height: 25px;
    transform: scale(1);
    transform-origin: 50% 0;
    z-index: 1;
}
.minImg:hover{
    transform: scale(6);
    z-index: 99;
}
.homePage{
    top: 0;
    scale: 1;
    transform-origin: 0 0;
}
.userPage,.topicPage,.noticePage,.commentPage,.likePage{
    position: absolute;
    top: 20px;
    scale: 0;
    transform-origin: 0 0;
}
.changePage{
    display: flex;
    justify-content: center;
}
.arrow{
    margin: 0 10px;
    font-size: 20px;
}
.addBtn{
    margin: 2px;
    width: 100px;
    height: 40px;
}